Doyle, S. A. C., & Whitcomb, I. (2009). His last bow, with ebook (Unabridged.). Tantor Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoyle, Sir Arthur Conan, और Ian Whitcomb. His Last Bow, with Ebook. Unabridged. Old Saybrook: Tantor Media, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDoyle, Sir Arthur Conan, और Ian Whitcomb. His Last Bow, with Ebook. Unabridged. Tantor Media, 2009.
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